Apr. i-June 24, 1918 



Index 



663 



Page 



Wilson, J. B. and Cook, F. C. (paper): Bofoa: 

 Its Effect on Crops and Its Distribution in 

 Plants and Soil in Different Parts of the 

 United States 451-470 



Wilt, gipsy-moth caterpillar, resemblance of 

 Japanese gipsy-moth disease to 515-516 



Wolf, F. A. (paper): Intumescences, with a 

 Note on Mechanical Injury as a Cause of 

 Their Development 253-260 



Wood, W. B. and Selkregg, E. R. (paper): 



Further Notes on Laspcyresia Molesta 59-73 



Wormhole of Ipomoeabatatas, syn. Pox of 

 Iponwea batatas. 



Page 

 Wright, L. H. and Ewing, P. V. (paper): A 

 Study of the Physical Changes in Feed Resi- 

 dues Which Take Place in Cattle during 



Digestion 639-646 



Yeast, in cheese 228-229 



Yellow-Leafblotch of Alfalfa Caused by the 

 Fungus Pyrenopeziza medlcaginis (paper) 



307-330 



Zea mays — 



effect of boron-treated manure on 458 



transpiration 579-604 



Zinc chlorid, effect on infectivity of mosaic 

 virus 624 



o 



